Obstruction Evaluation/Airport Airspace Analysis (OE/AAA)

• Airport Obstructions Standards Committee
• Airspace/Landing Area Forms
• Obstruction Evaluation/Airport Airspace Analysis Website
• Related Advisory Circulars
  • Obstruction Marking and Lighting, AC 70/7460-1K
  • Proposed Construction or Alteration of Objects that May Affect the Navigable Airspace, AC 70/7460-2K (Cancelled)
• Regulation: Objects Affecting Navigable Airspace (Title 14 CFR Part 77)

Contacts

If construction is . . .	Contact . . .
On an airport	Nearest FAA Airports Regional Office
Not on an airport	Nearest FAA Air Traffic Regional Office

Regional Supplemental Guidance

Additional guidance on this topic is available for the following regions of the country:

• Alaska
• Central (IA, KS, MO, NE)
• Northwest Mountain (CO, ID, MT, OR, UT, WA, WY)